Question

struts2上传下载文件时报错

上传没有问题，只是下载
下载的时候点保存没有问题，当点取消的时候会报异常，，在网上查了相关资料，说是调用了两次什么方法。。不是很明白，请高人指导下，谢谢！！

action里面的方法
public InputStream getTargetFile() throws Exception{
//ServletActionContext.getResponse().setHeader("Content-Disposition","filename="+new String(inputPath.getBytes("gb2312"),"iso-8859-1"));
return ServletActionContext.getServletContext().getResourceAsStream("\\upload\\"+inputPath);

}

struts.xml里的配制
<action name="down" class="action.DownLoadAction">
<param name="contentType">charset="gb2312"</param>
<param name="inputPath">中国风.rar</param>
<result name="success" type="stream">
<!-- 指定由getTargetFile()方法返回被下载的inputStream -->
<param name="inputName">targetFile</param>
<param name="contentDisposition">filename=""</param>
<param name="buffersize">4096</param>
</result>
</action>
没人知道么？

Answer 1

<action name="download" class="com.demo.action.DownloadAction">
<result name="success" type="stream">
<param name="contentType">application/vnd.ms-powerpoint</param>
<param name="contentDisposition">filename="Struts2.ppt"</param>
<param name="inputName">downloadFile</param>
</result>
</action>